1) This is a complex sentence.
这是个复合句。
2) It is a simple sentence.
这是个简单句。
3) This is a topic sentence.
这是个主题句。
4) What type of sentence is this?
这是个什么句子?
5) This is a sentence.
这是一个句子。
6) This is a difficult question.
这是个难题。
参考词条